PLEASE USE R CODES TO EXPLAIN WITH INTERPRETATIONS

We want to use the panel data Graduation_Panel on the graduation rates for a number of school districts to find what variables are most effective in ensuring higher graduation rates in these schools. Identify and use an appropriate regression model to analyze the above question. The variables descriptions are as follows: Variable Definition ID School identifier lunch % eligible for free lunch enrol school enrollment PTR pupil/teacher ratio: (available for 1995-98 only) avgsal average teacher salary grad high school grad. rate, \% year 19921998 rexpp real spending per pupil, Irexpp log( rexpp) We want to use the panel data Graduation_Panel on the graduation rates for a number of school districts to find what variables are most effective in ensuring higher graduation rates in these schools. Identify and use an appropriate regression model to analyze the above question. The variables descriptions are as follows: Variable Definition ID School identifier lunch % eligible for free lunch enrol school enrollment PTR pupil/teacher ratio: (available for 1995-98 only) avgsal average teacher salary grad high school grad. rate, \% year 19921998 rexpp real spending per pupil, Irexpp log( rexpp)